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The estimation of relative distance is a perceptual task used extensively in everyday life. This important skill suffers from biases that may be more pronounced when estimation is based on haptics. This is especially true for the blind and visually impaired, for which haptic estimation of distances is paramount but not systematically trained. We investigated whether a programmable tactile display, used autonomously, can improve distance discrimination ability in blind and severely visually impaired youngsters between 7 and 22 years-old.doi:10.1186/s12984-019-0580-2 pmid:31462262 pmcid:PMC6714081 fatcat:su52ts62vvf4fh2qunbarnzkti